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I want to search for a particular class file among many jar files without giving the location of each jar file. Is this possible with a simple command? I tried this command: grep Hello.class *.jar Which did not return a list of jars containing the class. Then I ran the command: grep Hello.class /full/path/of/jar/file/*.jar Which did return the relevant jar file. Is there a better way? Where are you jar files? Is there a pattern to find where they are? 1. Are they all in one directory? For example, foo/a/a.jar and foo/b/b.jar are all under the folder foo/ , in this case, you could use find with

I have a number of files in a folder, and I want to replace every space character in all file names with underscores. How can I achieve this? neesh This should do it: for file in *; do mv "$file" `echo $file | tr ' ' '_'` ; done I prefer to use the command 'rename', which takes Perl-style regexes: rename "s/ /_/g" * You can do a dry run with the -n flag: rename -n "s/ /_/g" * Use sh... for i in *' '*; do mv "$i" `echo $i | sed -e 's/ /_/g'`; done If you want to try this out before pulling the trigger just change mv to echo mv . What if you want to apply the replace task recursively ? How would

I got a batch file that does the following. echo Server 1 C:\>>output.txt fsutil volume diskfree \\IPISHERE\d$>>output.txt echo ---------------------------------------------------------- >>output.txt This then displays data as Total # of free bytes : 71942455296 Total # of bytes : 131623546880 Total # of avail free bytes : 71942455296 Please can some one help so I can convert it in to GBs? @echo off setlocal EnableDelayedExpansion for /F "tokens=1* delims=:" %%a in ('fsutil volume diskfree C:') do for %%c in (%%b) do ( set "D=%%c" set /A "D1=!D:~0,-8!,D2=1!D:~-8,-4!-10000,D3=1!D:~-4!-10000"

Possible Duplicate: C# Telnet Library I wish to do telnet programatically using C# so that once I establish the connection to the server, I can execute the commands like ls, ls -l, mv, rm.. etc on the server. Is it possible? Are there classes in C# for this purpose similar to the classes for FTP (FtpWebRequest)? If yes, please direct me to the right approach. When I execute ls , I need the list generated on server to be sent to the client i.e. windows machine in my case. Yes, here you have a telnet library http://www.codeproject.com/KB/IP/MinimalisticTelnet.aspx 来源： https://stackoverflow.com

I ve got a problem, executing su with parameters (containing blank space?!). My Command.java looks like this: public class Command { Process process; public String executeCommand(String command) { StringBuffer output = new StringBuffer(); try { process = Runtime.getRuntime().exec(command); process.waitFor(); BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream())); String line = ""; while ((line = reader.readLine())!= null) { output.append(line + "\n"); } } catch (Exception e) { e.printStackTrace(); } String response = output.toString(); return response; } }

How do i send DOS commands to my Receipt printer via COM1? Im currently devoloping a Cash register software, and i ran into an issue using the receipt printer. i need to be able to send hexidecimal commands to the printer via DOS. so far i've tried to do the following. Open CMD input Copy con: com1 input a hexidecimal number press Ctrl + Z press Enter this according to what i've read should send the hexidecimal number as a command to he printer. but instead it just sends the number as a string and prints out the text. some info on the printer im using: TPG A794 receipt printer. a manual on the